Features: 1. Audio Decoding Formats Supported By Vs1003: Mp3, Mp3+, Wav, Midi, Sp-Midi; 2. Separate Analog, Digital And Io Power Supplies; Serial Data And Control Interface (Spi); 3. 1 Headphone And Audio Output Interface With Internal Phase-Locked Loop Clock Multiplier; High-Quality Stereo Digital-To-Analog Converter (Dac); 16-Bit Adjustable On-Chip Analog-To-Digital Converter (Adc); High-Quality Stereo Earplug Driver (30 Ohms); 4. 1 Microphone For Recording, Supporting Recording Encoding Format: Imaadpcm (Mono); 5. 1 Line_in Input Interface, Supports Two Input Methods; Supports Mp3 And Wav Streams; Description: 1. Separate Analog, Digital And Io Power Supplies With Power Indicator Lights; 2. Onboard 33V And 2.5V Ldo Chip -1117, Providing A Maximum Current Of 800ma; 3. Single Power Supply: +5VDC, Capacitor Filter 4. 12.288Mhz Crystal Oscillator; Material: FR-4 fiberglass board colour: As shown Package Contents: 1 x Audio Decoding Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.